Cita APA (7th ed.)
Gibbs, J. L. (1965). Peoples of Africa. Waveland Press.
Cita Chicago (17th ed.)
Gibbs, James L. Peoples of Africa. Illinois: Waveland Press, 1965.
Cita MLA (9th ed.)
Gibbs, James L. Peoples of Africa. Waveland Press, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.